Demokatalog / Spannungsregler

5V 500mA step-down regulator D24V5F5
Foto: Pololu · abgerufen 2026-08-18 · sha256 42b73c5a38da

5V 500mA step-down regulator D24V5F5

Pololu · MPN 2843 · agentenlesbare Fassung

$8.95Richtwert · 2026-08-22

Erfasst aus den eigenen strukturierten Daten von Pololu am angegebenen Datum — kein Angebot. Verfügbarkeit wird bewusst nicht zugesichert.

Pololu$8.95 · 2026-08-22Produktseite ↗

Partsgraph-Datenblatt mit Belegen (PDF)Eigenerstellung · zusammengestellt aus den unten genannten Quellen

Regulator product page

Technische Daten — jeder Wert mit seinem Beleg

Elektrisch

Leerlauf-Ruhestrom, typ200 μA
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% 500 kHz switching frequency (when not in power-save mode) 200 μA typical no-load quiescent current Over-current and short-ci

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Überstrom-/Übertemperaturschutzja
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ight versions of the D24V5Fx family. The regulators feature short-circuit/over-current protection, and thermal shutdown helps prevent

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Verpolungsschutznein
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shutdown helps prevent damage from overheating. The boards do not have reverse-voltage protection. If you need more output current, consider the very similar

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Topologiebuck (step-down)
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voltage regulator in TO-220 package. The D24V5Fx family of buck (step-down) voltage regulators generates lower output voltages from inp

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VIN-Anlegebereich, Familie (vor der Dropout-Grenze)3 bis 36 V
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near regulator in a TO-220 package. Features Input voltage: 3 V to 36 V for output voltages of 1.8 V and 2.5 V [ output voltage + d

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SHDN-Low-Schwelle (unter)0.4 V
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utput voltage (VOUT). The SHDN pin can be driven low (under 0.4 V) to turn off the output and put the board into a low-power

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SHDN-Pull-up-Widerstand nach VIN100 kΩ
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output and put the board into a low-power state. There is a 100 kΩ pull-up resistor between the SHDN pin and VIN, so if you wa

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Stromaufnahme bei SHDN low @ 36 V Eingang (ca.)360 μA
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tional to the input voltage. (At 36 V in it will draw about 360 μA.) The input voltage, VIN, powers the regulator. Voltages be

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Empf. Eingangskondensator für >20 V Eingang (min)33 μF
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ads or supply has high inductance, we recommend soldering a 33 μF or larger electrolytic capacitor close to the regulator bet

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Empf. Spannungsfestigkeit des Eingangskondensators (min)50 V
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een VIN and GND. The capacitor should be rated for at least 50 V. More information about LC spikes can be found in our appli

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Leistung

Schaltfrequenz500 kHz
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mum output current: 500 mA Typical efficiency of 80% to 93% 500 kHz switching frequency (when not in power-save mode) 200 μA ty

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Typischer Wirkungsgrad80 bis 93 %
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DC-to-DC converters) and have a typical efficiency between 80% to 93%, which is much more efficient than linear voltage regulator

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Genauigkeit der Ausgangsspannung4 %
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12 V, or 15 V output (depending on regulator version) with 4% accuracy Maximum output current: 500 mA Typical efficiency

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Energiesparmodus bei geringer Lastja
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input and output voltage is large. These regulators have a power-save mode that activates at light loads and a low quiescent (no load)

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Schnittstelle

Shutdown-Pin (SHDN)ja
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ections The buck regulator has four connections: shutdown ( SHDN ), input voltage (VIN), ground (GND), and output voltage (V

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Anschlüsseshutdown ( SHDN ), input voltage (VIN), ground (GND), and output voltage (VOUT)
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ulator Connections The buck regulator has four connections: shutdown ( SHDN ), input voltage (VIN), ground (GND), and output voltage (VOUT). The SHDN pin can be driven low (under 0.4 V) to turn off t

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Mechanik

Platinengröße13 mm x 10 mm x 3 mm
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n, over-temperature shutoff Small size: 0.5″ x 0.4″ x 0.1″ (13 mm x 10 mm x 3 mm) Using the regulator Connections The buck regulator has fou

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Pinabstand0.1 ″
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labeled on the back side of the PCB and are arranged with a 0.1″ spacing along the edge of the board for compatibility with

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Stiftleisten enthalten (gerade + gewinkelt)ja
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4x1 straight male header strip or the 4x1 right-angle male header strip that is included. Typical efficiency and output current The efficiency of a

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Allgemein

Ausgangsspannung5 V
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Pololu 5V, 500mA Step-Down Voltage Regulator D24V5F5 Voltage Regulato

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Ausgangsstrom500 mA
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Pololu 5V, 500mA Step-Down Voltage Regulator D24V5F5 Voltage Regulators and

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Eingangsspannung5.1 bis 36 V
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pical max output current 1 Input voltage range 2 5 V 500 mA 5.1 V - 36 V Note 1: Actual achievable maximum continuous output current

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Verwendet in

2WD-Explorer-Roboter · Automatische Pflanzenbewässerung — als Pumpenversorgung